The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 28, 2024
Filed:
Jul. 27, 2021
SK Innovation Co., Ltd., Seoul, KR;
Tae Il Kim, Daejeon, KR;
SK ON CO., LTD., Seoul, KR;
Abstract
Provided is a battery module including a multilayered firewall capable of controlling a heat transfer phenomenon due to a battery fire. The battery module includes a plurality of secondary battery cells accommodated in a housing member, wherein a secondary battery cell among the plurality of battery cells includes an electrode assembly in which a plurality of negative electrodes and positive electrodes are alternately stacked with a separator interposed therebetween and a pouch case encasing the electrode assembly, wherein a multilayered firewall is interposed between the plurality of secondary battery cells, and the multilayered firewall includes a heat absorption layer and fireproof layers stacked on opposing surfaces of the heat absorption layer.